Search Results for: Vertebrates
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1,539 results
1,539 results for: Vertebrates
- Paleontology
Oldest true dolphin species gets a new name
A dolphin species first described in the 1970s has gotten a new name but still retains the title of oldest true dolphin species identified to date.
- Paleontology
Fossils push back origins of modern mammals
Fossils of three newly identified early mammals from China suggest that the common ancestor of today’s mammals lived over 200 million years ago.
- Animals
Slow, cold reptiles may breathe like energetic birds
Finding birdlike air patterns in lungs of crocodilians and in more distantly related lizards raises the possibility that one-way airflow evolved far earlier than birds themselves did.
- Neuroscience
Melatonin and the watery beginnings of sleep
The tiny zooplankton Platynereis dumerilii use melatonin just as much as we do, suggesting that the origins of sleeplike behavior may lie under the sea.
- Animals
How the ghost shark lost its stomach
The lack of a digestive organ in fish and other animals is linked to genetics.
- Paleontology
Giant platypus tooth found
A fossil molar found in Australia reveals a previously unknown extinct species of the mammal.
- Paleontology
Lost-and-found dinosaur thrived in water
Fossils pieced together through ridiculous luck reveal Spinosaurus to be the only known dinosaur adapted for regular ventures into water.
- Life
Genes gives clues to outcome of species interbreeding
Genetics provides clues to why hybrid river fish formed a subspecies but insects formed a new species.
- Life
Domesticated animals’ juvenile appearance tied to embryonic cells
Mild defects in embryonic cells could explain physical similarities along with tameness across domesticated species.
- Life
Primitive fish could nod but not shake its head
Ancient fossils reveal surprises about early vertebrate necks, abdominal muscles.
- Animals
Fish-eating spiders are the stuff of nightmares
Spiders that feast on fish can be found on every continent but Antarctica, a new review finds.
- Animals
New fungus species found killing salamanders
First there was amphibian killer fungus Bd. Now there's Bs.
